Product  features:I. Withstand VoltageParts between voltage input terminal and meter shell, parts between the iron core of the clamp-current transformer and secondary windings can stand 1000V/50Hz. Parts between the two voltage input terminals can stand Sinusoidal AC Voltage 500V/50Hz for 1min when testing.II. Insulation ResistanceBetween meter circuit and meter shell, between the two voltage input terminals≥10MΩ

Technical parameters:

I. Intrinsic Errori. Reference Operating Conditions

(a) Temperature(23±5)°C(b) Moisture(45~75)% RH(c) Wave forms of measured signal, sine wave,β=0.02(d) Frequency of measured signal(50±0.2)Hz

(e) Position of Measured current carrying conductor in the nipper jaw, Optional position(f) Amplitude range of measured signal when measuring phase,100~220V,0.5A~1.5A(g) External reference frequency electromagnetic interference,  Should be avoidedII. Operating errori. Rated Operating Conditions

(a)Temperature (0~40)°C

(b)Moisture (20~80)% RH(c)Wave forms of measured signal, sine wave,β=0.05(d)Frequency of measured signal,(50±0.5)Hz(e) Position of Measured current carrying conductor in the nipper jaw, Optional position.(f)Amplitude range of measured signal when measuring phase,    Phase U1-U2, 30V~500V    Phase I1-I2, 10mA~10.00A    Phase U1-I2 or I1-U2, 10V~500V,10mA~10.00A

(g)External reference frequency electromagnetic interference, should be avoidedii. Limits of Rated Operating Error    Under the conditions described in 1, the limits of the rated operating error will not exceed twice of the limits of intrinsic error. Other Technical Features:I.Display, three and halfII. Sampling Rate, 3 times per secondIII. Power Supply, Single 9V laminated cell,current of power is less than 5mAIV. DimensionMeter shell,  192x95x55mmNipper shell,  140×42×20mmNipper jaw, Φ7×9mmV. WeightMeter body, 280gMeasuring pliers, 2×200g VI . Storage ConditionsTemperature, -10°C~50°C

SMG20000B Digital double clamp phase volt-ampere meter